Connector coupling for a hearing aid



FIG. 1 is a top perspective view of a connector coupling for a hearing aid showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof, all side views being identical; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for connector coupling for a hearing aid, as shown and described. 